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Keyless entry?

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Old Aug 16, 2014 | 04:22 AM
  #1  
Tobias Ernelind's Avatar
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Default Keyless entry?

Hello! I've been a little while since become the happy owner of a C6 Z51 -07 :-)

But unfortunately, I have a little trouble getting into the driver's door from the outside, from the inside, it is no problem whatsoever. The passenger door works fine to enter in & outside. Proposal?

Have tried to change the "touch panel" from the passenger door with no luck. Have also tried to change the battery in F0B without success.

Thanks in advance.

// Tobbe Sweden
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Old Aug 16, 2014 | 04:35 AM
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Often the contacts in the pads become corroded. There are instructions somewhere on the site showing how to take the pads apart and clean the copper contacts.

Might be in the "DIY Sticky"

EDIT...here you go. Try this....

https://www.corvetteforum.com/c6-cor...ml?styleid=140
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Old Aug 16, 2014 | 04:52 AM
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Originally Posted by dev1360
Often the contacts in the pads become corroded. There are instructions somewhere on the site showing how to take the pads apart and clean the copper contacts.

Might be in the "DIY Sticky"

EDIT...here you go. Try this....

https://www.corvetteforum.com/c6-cor...ml?styleid=140

Hello!
thanks for the reply!

I have today taken apart door pad with no luck:-(
Have also had disassembled the door latch on the driver's door, no direct fault there either.?

Just thought of one thing, it may not have anything to do with that I only have one FOB?
It may need to be reprogrammed ???

A few more tips?

thanks in advance!
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Old Aug 16, 2014 | 05:28 AM
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I'm not sure. Sometimes when my fobs (with fresh batteries) are in my pocket and folded up in my keys, they do not register with my car.

I also notice that sometimes I have to press in the center of the pad.
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Old Aug 17, 2014 | 06:21 AM
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Originally Posted by dev1360
I'm not sure. Sometimes when my fobs (with fresh batteries) are in my pocket and folded up in my keys, they do not register with my car.

I also notice that sometimes I have to press in the center of the pad.

Hi!
I changed the battery in my FOB also without result: /

I have tried pressing everywhere: / has also changed the pad from the passenger side without result.

More tips thanks:-)
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Old Aug 17, 2014 | 06:42 AM
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Originally Posted by Tobias Ernelind
...Just thought of one thing, it may not have anything to do with that I only have one FOB?
It may need to be reprogrammed ??? ...
The FOBs NEVER have to be reprogrammed unless you change the Body Control Module (BCM computer) in the car. It is the BCM that remembers the unique ID of each FOB. Once the BCM knows that FOB is allowed to operate the car then it never forgets and the FOB never forgets who it is. If the car will even try to start with that FOB then the FOB is good.

Back to the door issue - does the red light come on solid when the door fails to open or does it flash? Or does it not come on at all? This will tell us if the issue is in recognizing that you want the door open, verifying you have permission to open the door, or in the powering of the latch to actually open the door. My wild guess with the information given so far is a faulty DDM (Driver's Door Module) or wiring from the DDM to the BCM. But that is a very wild guess at this point.
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Old Aug 17, 2014 | 08:14 AM
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Originally Posted by FortMorganAl
The FOBs NEVER have to be reprogrammed unless you change the Body Control Module (BCM computer) in the car. It is the BCM that remembers the unique ID of each FOB. Once the BCM knows that FOB is allowed to operate the car then it never forgets and the FOB never forgets who it is. If the car will even try to start with that FOB then the FOB is good.

Back to the door issue - does the red light come on solid when the door fails to open or does it flash? Or does it not come on at all? This will tell us if the issue is in recognizing that you want the door open, verifying you have permission to open the door, or in the powering of the latch to actually open the door. My wild guess with the information given so far is a faulty DDM (Driver's Door Module) or wiring from the DDM to the BCM. But that is a very wild guess at this point.

Thanks for the reply!

okay then I can forget that there is something wrong with the FOB.

I va just out and tested what happens when the car is locked, so the car does not know when I touch the pad, it seems. The Lamp is completely dead. But as soon as I press the button from the inside begins to glow. Opens my car with the FOB and then unlock the car from the inside with the button will flash lamp.

hope you understand what I mean? :-)

thanks in advance!
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Old Aug 17, 2014 | 09:37 AM
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Originally Posted by FortMorganAl
The FOBs NEVER have to be reprogrammed unless you change the Body Control Module (BCM computer) in the car. It is the BCM that remembers the unique ID of each FOB. Once the BCM knows that FOB is allowed to operate the car then it never forgets and the FOB never forgets who it is. If the car will even try to start with that FOB then the FOB is good.

Back to the door issue - does the red light come on solid when the door fails to open or does it flash? Or does it not come on at all? This will tell us if the issue is in recognizing that you want the door open, verifying you have permission to open the door, or in the powering of the latch to actually open the door. My wild guess with the information given so far is a faulty DDM (Driver's Door Module) or wiring from the DDM to the BCM. But that is a very wild guess at this point.

hi.

came to think of one more thing, when you open the door it will be a sound? It does not ?? It should hang together?
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Old Aug 17, 2014 | 11:05 AM
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Make sure your car battery has a full Charged
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Old Aug 17, 2014 | 04:01 PM
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Originally Posted by sammy burks
Make sure your car battery has a full Charged
hi.
I have my battery charger on the car when it is stationary.

thanks / Tobbe
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Old Aug 17, 2014 | 07:40 PM
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Tobias, I don't have any technical advise. But, I have noticed on my '07 driver's door I have to be patient when I push the pad. I have to push the pad, then wait a second or two, and make sure I don't pull on the door at the same time. It can still act up from time to time, but not as bad if I do the dance. Just though I would let you hear another '07 owners trials with the drivers door. Never know, it could help. Good luck sir.
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Old Aug 17, 2014 | 10:45 PM
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Make sure the battery you installed doesn't have the bumpy things on the one side, you need the battery with both sides smooth.
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Old Aug 18, 2014 | 08:31 AM
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Originally Posted by Tobias Ernelind
Thanks for the reply!

okay then I can forget that there is something wrong with the FOB.

I va just out and tested what happens when the car is locked, so the car does not know when I touch the pad, it seems. The Lamp is completely dead. But as soon as I press the button from the inside begins to glow. Opens my car with the FOB and then unlock the car from the inside with the button will flash lamp.

hope you understand what I mean? :-)

thanks in advance!
I think I understood and, since you get no light when pressing the outside pad, your issue is the door pad not getting the signal to the DDM and/or RCDLR (Remote Control Door Lock Receiver). Since you swapped pads with the passenger side which is the fix 99% of the time and should have moved the issue to the other side and it still didn't work, that leaves only the wiring from the pad to the DDM and/or RCDLR or those modules . Check the connector at the door pad. Looking into the male connector with the latch on top, the pin on the left goes to the DDM, the next one to the right is the ground connection, next is not used and the one on the far right goes to the RCDLR. With the pad disconnected I'm guessing that the two signal pins should each have 5VDC. And again, guessing, it might be a single bad ground connection since nothing at all happens.

..when you open the door it will be a sound? It does not ?? It should hang together..
Now that I did not understand.

Keep trying and good luck. Let us know what you find next.
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